Past Year (1998 - 2005) MCQs Wave Optics Physics NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

Select Chapter Topics:

Huygens' Principle

Superposition Principle

Young's Double Slit Experiment

Diffraction

Interference vs Diffraction

Polarization of Light

1(current)

Q. No.

Q1:

For a crystal with

λ = 1 \overset{˚}{A}

$\lambda = 1~\mathring{A}$ and Bragg's angle

θ = 60^{\circ}

$\theta= 60^{\circ}$ , the second-order diffraction,

d

$d$ (distance between two consecutive atomic layers) will be:
1.

1.15 \overset{˚}{A}

$1.15~\mathring{A}$
2.

0.75 \overset{˚}{A}

$0.75~\mathring{A}$
3.

0.55 \overset{˚}{A}

$0.55~\mathring{A}$
4.

2.1 \overset{˚}{A}

$2.1~\mathring{A}$

Subtopic: Diffraction |

53%

From NCERT

AIPMT - 1998

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Q2:

The interplanar distance in a crystal is

2.8 \times 10^{- 8} m

$2.8 \times 10^{-8}~\text{m}$ . The value of the maximum wavelength which can be diffracted:
1.

2.8 \times 10^{- 8} m

$2.8 \times 10^{-8}~\text{m}$
2.

5.6 \times 10^{- 8} m

$5.6 \times 10^{-8}~\text{m}$
3.

1.4 \times 10^{- 8} m

$1.4 \times 10^{-8}~\text{m}$
4.

7.6 \times 10^{- 8} m

$7.6 \times 10^{-8}~\text{m}$

Subtopic: Diffraction |

From NCERT

AIPMT - 2001

To view explanation, please take trial in the course.

NEET 2025 - Target Batch

Hints

To view explanation, please take trial in the course.

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Select Chapter Topics:

Huygens' Principle

Superposition Principle

Young's Double Slit Experiment

Diffraction

Interference vs Diffraction

Polarization of Light

1(current)

Q. No.

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